Terrorists ‘J’ and his cronies have unleashed the deadly virus “BLOODY X” on the third basement level of “THIRD-i”. in an attempt to collect back the original computer chip of “The Christmas Assassination”.
Meanwhile, Fujimaru visits his father's old friend, Munakata, to obtain an anti-virus to save discovers that Munakata is actually a member of the terrorist group.
Finally, Fujimaru captures Munakata after a fierce battle and finds out that the anti-virus is kept at “THIRD-i” after all!!